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Mod | | | Forums66 Topics128,084 Posts1,056,333 Members48,442 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2014 Posts: 4,502 Moderator, Electrical Bay | | Moderator, Electrical Bay Joined: Mar 2014 Posts: 4,502 | Also, please be certain to press the new one on as far as you can get it to go. You want very little clearance between the gear and the thrust plate...something like .001" is great and the thrust plate ought to have a ridge to ensure this occurs. If you leave too much clearance it will allow your cam gear to run in/out at idle. It sets up a sort of bouncing motion that steadies out somewhere above 1000 rpm and that motion will alter your distributor timing enough to cause a rougher than normal idle.
~ Jon
1952 1/2 ton with 1959 235 | T5 with 3.07 rear end
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